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Appendix B Troubleshooting
FBUS-HSE/H1 LD User Manual B-4 ni.com
Module STATUS LED
The module STATUS LED is located on the front of the linking device,
between the two Fieldbus (H1 Network) connectors, as shown in
Figure B-1. It indicates whether the linking device is powered, configured,
and operating properly. Table B-2 shows how to interpret the STATUS
LED states.
Table B-1. Ethernet STATUS LED Flashes and Corresponding Error Conditions
Number
of Flashes
Error Condition
0 (stays lit) The FBUS-HSE/H1 LD has not been configured with a
proper IP address.
1 The FBUS-HSE/H1 LD is in Reset mode. Switch the
FBUS-HSE/H1 LD back to Normal mode by powering
down the device and sliding the switch underneath the
module.
2 The FBUS-HSE/H1 LD has detected an error in its
firmware. This usually occurs when an attempt to
upgrade the firmware is interrupted. Repeat the
firmware upgrade process.
3 The FBUS-HSE/H1 LD cannot communicate with the
NIFBUS. Be sure that the NIFBUS is running on the
computer that you specified when you configured the
FBUS-HSE/H1 LD.
4 (or more) The FBUS-HSE/H1 LD has detected an unrecoverable
error. Contact National Instruments for more
information of finding the cause of this error.
Table B-2. Interpretation of FBUS-HSE/H1 LD Module STATUS LED
LED State Meaning
Off No power to linking device
Flashing red
and green
The FBUS-HSE/H1 LD self-testing
Flashing green Standby state
Solid green Operational state